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// Copyright 2020 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
import {LogEntry} from './log.mjs';
export class IcLogEntry extends LogEntry {
constructor(
type, fn_file, time, line, column, key, oldState, newState, map, reason,
modifier, codeEntry) {
super(type, time);
this.category = 'other';
if (this.type.indexOf('Store') !== -1) {
this.category = 'Store';
} else if (this.type.indexOf('Load') !== -1) {
this.category = 'Load';
}
const parts = fn_file.split(' ');
this.functionName = parts[0];
this.file = parts[1];
this.oldState = oldState;
this.newState = newState;
this.key = key;
this.map = map;
this.reason = reason;
this.modifier = modifier;
this.codeEntry = codeEntry;
}
get state() {
return this.oldState + ' → ' + this.newState;
}
get code() {
return this.codeEntry?.logEntry;
}
parseMapProperties(parts, offset) {
let next = parts[++offset];
if (!next.startsWith('dict')) return offset;
this.propertiesMode = next.substr(5) == '0' ? 'fast' : 'slow';
this.numberOfOwnProperties = parts[++offset].substr(4);
next = parts[++offset];
this.instanceType = next.substr(5, next.length - 6);
return offset;
}
parsePositionAndFile(parts, start) {
// find the position of 'at' in the parts array.
let offset = start;
for (let i = start + 1; i < parts.length; i++) {
offset++;
if (parts[i] == 'at') break;
}
if (parts[offset] !== 'at') return -1;
this.position = parts.slice(start, offset).join(' ');
offset += 1;
this.isNative = parts[offset] == 'native'
offset += this.isNative ? 1 : 0;
this.file = parts[offset];
return offset;
}
static get propertyNames() {
return [
'type', 'category', 'functionName', 'script', 'sourcePosition', 'code',
'state', 'key', 'map', 'reason'
];
}
}
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